/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.util;
import org.junit.Test;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.util.FileCopyUtils;
import static org.junit.Assert.*;
/**
* @author Brian Clozel
*/
public class ContentCachingRequestWrapperTests {
protected static final String FORM_CONTENT_TYPE = "application/x-www-form-urlencoded";
protected static final String CHARSET = "UTF-8";
private final MockHttpServletRequest request = new MockHttpServletRequest();
@Test
public void cachedContent() throws Exception {
this.request.setMethod("GET");
this.request.setCharacterEncoding(CHARSET);
this.request.setContent("Hello World".getBytes(CHARSET));
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request);
byte[] response = FileCopyUtils.copyToByteArray(wrapper.getInputStream());
assertArrayEquals(response, wrapper.getContentAsByteArray());
}
@Test
public void cachedContentWithLimit() throws Exception {
this.request.setMethod("GET");
this.request.setCharacterEncoding(CHARSET);
this.request.setContent("Hello World".getBytes(CHARSET));
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request, 3);
byte[] response = FileCopyUtils.copyToByteArray(wrapper.getInputStream());
assertArrayEquals("Hello World".getBytes(CHARSET), response);
assertArrayEquals("Hel".getBytes(CHARSET), wrapper.getContentAsByteArray());
}
@Test
public void cachedContentWithOverflow() throws Exception {
this.request.setMethod("GET");
this.request.setCharacterEncoding(CHARSET);
this.request.setContent("Hello World".getBytes(CHARSET));
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request, 3) {
@Override
protected void handleContentOverflow(int contentCacheLimit) {
throw new IllegalStateException(String.valueOf(contentCacheLimit));
}
};
try {
FileCopyUtils.copyToByteArray(wrapper.getInputStream());
fail("Should have thrown IllegalStateException");
}
catch (IllegalStateException ex) {
assertEquals("3", ex.getMessage());
}
}
@Test
public void requestParams() throws Exception {
this.request.setMethod("POST");
this.request.setContentType(FORM_CONTENT_TYPE);
this.request.setCharacterEncoding(CHARSET);
this.request.setParameter("first", "value");
this.request.setParameter("second", "foo", "bar");
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request);
// getting request parameters will consume the request body
assertFalse(wrapper.getParameterMap().isEmpty());
assertEquals("first=value&second=foo&second=bar", new String(wrapper.getContentAsByteArray()));
// SPR-12810 : inputstream body should be consumed
assertEquals("", new String(FileCopyUtils.copyToByteArray(wrapper.getInputStream())));
}
@Test // SPR-12810
public void inputStreamFormPostRequest() throws Exception {
this.request.setMethod("POST");
this.request.setContentType(FORM_CONTENT_TYPE);
this.request.setCharacterEncoding(CHARSET);
this.request.setParameter("first", "value");
this.request.setParameter("second", "foo", "bar");
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request);
byte[] response = FileCopyUtils.copyToByteArray(wrapper.getInputStream());
assertArrayEquals(response, wrapper.getContentAsByteArray());
}
}